442828226 has 8 divisors (see below), whose sum is σ = 665458320. Its totient is φ = 221008788.

The previous prime is 442828153. The next prime is 442828229. The reversal of 442828226 is 622828244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 442828226.

It is not an unprimeable number, because it can be changed into a prime (442828229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201296 + ... + 203483.

It is an arithmetic number, because the mean of its divisors is an integer number (83182290).

Almost surely, 2^442828226 is an apocalyptic number.

442828226 is a deficient number, since it is larger than the sum of its proper divisors (222630094).

442828226 is a wasteful number, since it uses less digits than its factorization.

442828226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405328.

The product of its digits is 98304, while the sum is 38.

The square root of 442828226 is about 21043.4841696902. The cubic root of 442828226 is about 762.2166506446.

The spelling of 442828226 in words is "four hundred forty-two million, eight hundred twenty-eight thousand, two hundred twenty-six".